738 papers
Plasma physics explores the behavior of the fourth state of matter, a superheated soup of charged particles that makes up most of the visible universe. From the fusion power we hope to harness on Earth to the glowing auroras and distant stars above, this field investigates how these energetic gases interact with magnetic fields and light. It is a dynamic area where extreme conditions reveal fundamental laws of nature in ways solid matter never can.
At Gist.Science, we bridge the gap between these complex discoveries and curious minds by processing every new preprint from arXiv in this category. We transform dense, technical research into clear, plain-language explanations alongside detailed summaries, ensuring that breakthroughs in plasma dynamics and fusion energy are accessible to everyone. Below are the latest papers in plasma physics, curated and simplified for your reading.
This paper evaluates various exchange-correlation functionals, identifying r2SCAN as the most accurate for reproducing hydrogen molecular properties, to determine their suitability for modeling the molecular-to-metal transition in warm dense hydrogen under high pressure.
This paper presents the successful porting of the TRIMEG gyrokinetic plasma simulation code to GPU architectures using the portable OpenMP API, demonstrating significant speedups and verified physical accuracy through hybrid MPI-OpenMP parallelization and Ion Temperature Gradient mode simulations.
This paper introduces JointDiff, a joint diffusion-based generative framework that unifies forward modeling, inverse inference, and output imputation to predict multi-modal simulation distributions from partial observations, demonstrating high accuracy and transferability to National Ignition Facility experiments for advancing inertial confinement fusion design.
This paper presents a robust modeling framework that couples pulsed-power electrical circuit simulations with one-dimensional hydrodynamic codes to accurately design and optimize experiments for generating expanded warm dense matter in thin metallic foils confined within sapphire cells.
This paper proposes a new implicit numerical method in Euler variables to solve one-dimensional cold plasma equations with density-dependent collision coefficients, effectively overcoming computational challenges associated with the loss of hyperbolicity while confirming theoretical predictions regarding solution smoothness.
This paper presents machine learning classifiers for fusion power plant plasma confinement state using a Profile Reflectometer diagnostic and an ensemble model combining it with Electron Cyclotron Emission data, achieving 97% and 99% test accuracy respectively to address the challenge of limited diagnostic availability in reactor environments.
This paper presents numerical simulations using spatially resolved Particle-in-Cell and fluid models to investigate the role of ion dynamics in the non-monotonic plasma recovery time observed in the SPARC_LAB experiment, while also evaluating the accuracy of fluid models for describing such sub-nanosecond plasma acceleration processes.
This paper demonstrates that combining sparse grid interpolation with (L)-Leja points and optimized dynamic mode decomposition enables the construction of highly efficient, predictive parametric reduced-order models for complex plasma instabilities, achieving evaluation speeds up to three orders of magnitude faster than high-fidelity simulations while requiring only a minimal number of training data points.
This paper presents a multi-Hz laser-driven ion acceleration platform using liquid sheet jet targets that achieves an 11% increase in maximum proton energy through real-time, closed-loop Bayesian optimization of the laser wavefront, demonstrating a pathway toward robust, high-repetition-rate ion sources.
This paper combines solar radio burst diagnostics with in-situ magnetic field measurements to characterize ion-scale turbulence and energy cascade rates from the low corona to 1 au, demonstrating consistency with kinetic Alfvén wave models and providing crucial predictions for plasma heating in regions inaccessible to direct spacecraft observation.